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Table A2.3 CO, NOx, NMVOC emission factors for liquid fuels (in transport)
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| Fuel type(s) | Units | New emission factors | Old emission factors | Source of new emission factors |
|---|---|---|---|---|
Petrol |
ktCO/PJ |
4.59 |
6.96 |
IPCC Tier 2 (Table I-27/29) mid grossed down |
Diesel |
ktCO/PJ |
0.303 |
0.485 |
IPCC Tier 2 (Table I-30/32) grossed down |
Fuel oil |
ktCO/PJ |
0.171 |
0.044 |
IPCC Tier 2 (Table I-48) grossed down |
Aviation fuels |
ktCO/PJ |
0.114 |
0.114 |
IPCC Tier 2 (Table I-47) grossed down |
LPG |
ktCO/PJ |
1.38 |
1.38 |
IPCC Tier 2 (Table I-44) grossed down |
Petrol |
ktNOx/PJ |
0.211 |
0.467 |
IPCC Tier 2 (Table I-27/29) mid point grossed down |
Diesel |
ktNOx/PJ |
0.641 |
0.718 |
IPCC Tier 2 (Table I-30/32) grossed down |
Fuel oil |
ktNOx/PJ |
1.71 |
1.995 |
IPCC Tier 2 (Table I-48) grossed down |
Aviation fuels |
ktNOx/PJ |
0.276 |
0.276 |
IPCC Tier 2 (Table I-47) grossed down |
LPG |
ktNOx/PJ |
0.361 |
0.361 |
IPCC Tier 2 (Table I-44) grossed down |
Petrol |
ktNMVOC /PJ |
0.885 |
1.08 |
IPCC Tier 2 (Table I-27/29) mid grossed down |
Diesel |
ktNMVOC /PJ |
0.102 |
0.171 |
IPCC Tier 2 (Table I-30/32) grossed down |
Fuel oil |
ktNMVOC /PJ |
0.049 |
0.105 |
IPCC Tier 2 (Table I-48) grossed down |
Aviation fuels |
ktNMVOC /PJ |
0.017 |
0.017 |
IPCC Tier 2 (Table I-47) grossed down |
LPG |
ktNMVOC /PJ |
0.608 |
0.608 |
IPCC Tier 2 (Table I-44) grossed down |
1 The new factors apply from 1993 onwards (Hale and Twomey, 2003).
